Security Bulletin: IBM Watson Assistant for IBM Cloud Pak for Data is vulnerable to Node.js fast-csv modules denial of service vulnerability( CVE-2020-26256)

Summary

Potential Node.js fast-csv modules denial of service vulnerability( CVE-2020-26256) has been identified that may affect IBM Watson Assistant for IBM Cloud Pak for Data. Refer to details for additional information.

Vulnerability Details

CVEID:CVE-2020-26256
**DESCRIPTION:**Node.js fast-csv modules are vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw when using ignoreEmpty option. By using a CodeQL query which identified EMPTY_ROW_REGEXP regular expression, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192834 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

**IBM X-Force ID:**192835
**DESCRIPTION:**Node.js atfast-csv/parse modules are vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw when using ignoreEmpty option. By using a CodeQL query which identified EMPTY_ROW_REGEXP regular expression, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192835 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

For all affected versions, IBM strongly recommends addressing the vulnerability now by upgrading to the latest (v4.7.0 or later releases) release of IBM Watson Assistant for IBM Cloud Pak for Data which maintains backward compatibility with the versions listed above.

Follow instructions for Installing Watson Assistant in Link to Release (v4.7.0 release information)

<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.7.x&gt;

Workarounds and Mitigations

None